84918845 has 8 divisors (see below), whose sum is σ = 111166560. Its totient is φ = 61759120.

The previous prime is 84918839. The next prime is 84918857. The reversal of 84918845 is 54881948.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84918845 - 2⁶ = 84918781 is a prime.

It is a super-2 number, since 2×84918845² = 14422420472268050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84918845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771935 + ... + 772044.

It is an arithmetic number, because the mean of its divisors is an integer number (13895820).

Almost surely, 2^84918845 is an apocalyptic number.

It is an amenable number.

84918845 is a deficient number, since it is larger than the sum of its proper divisors (26247715).

84918845 is a wasteful number, since it uses less digits than its factorization.

84918845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543995.

The product of its digits is 368640, while the sum is 47.

The square root of 84918845 is about 9215.1421584260. The cubic root of 84918845 is about 439.5429913987.

The spelling of 84918845 in words is "eighty-four million, nine hundred eighteen thousand, eight hundred forty-five".